Yes. I was in R&D of a game company, worked on console game titles (PS, PS2) and CG film productions. Also did some technology demos at siggraph. Overworking

Yes. I was in R&D of a game company, worked on console game titles (PS, PS2) and CG film productions. Also did some technology demos at siggraph. Overworking---well, you can't avoid occasional crunch time, and because of the nature of game development, you sometimes have to face the design being overturned and have to rework development. But how far it goes largely depends on the team and/or the culture of the company. I know some who were deep in crunch time for over 9 months to meet the deadlines of monthly milestones; but also I know some who were able to leave office 6-7pm most of the time.